Glossary entry (derived from question below)
Arabic term or phrase:
أحرق كرتهما
English translation:
stole their thunder / burn their bridge(s)
Arabic term
United Kingdom
MA French and Arabic Translator
Native in: English 
Works in: Arabic to English, French to English
أحرق كرتهما
I'm guessing this an idiom that means something along the lines of 'stole their thunder' or 'rained on their parade'?
Dec 15, 2020 15:11: Diya Takrouri Created KOG entry
Dec 15, 2020 15:12: Diya Takrouri changed "Edited KOG entry" from "<a href="/profile/2215622">Diya Takrouri's</a> old entry - " أحرق كرتهما"" to ""stole their thunder / burn their bridges""
Proposed translations
Türkiye
Linguist Ar ⇋ En | 29 years’ Experience
Native in: Arabic (Variants: Iraqi, Syrian, Standard-Arabian (MSA), Yemeni, UAE, Egyptian, Palestinian, Saudi , Jordanian, Lebanese) 
Works in: Arabic to English, English to Arabic
stole their thunder
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Note added at 25 mins (2020-12-03 15:49:26 GMT)
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You can consider using "burn their bridges", as an alternative to reflect the verb used in Arabic يحرق.
Egypt
Five years experience in legal translat.
Native in: Arabic (Variants: Saudi , Tunisian, Yemeni, Jordanian, Palestinian, Syrian, Standard-Arabian (MSA), Iraqi, Lebanese, Sudanese, UAE, Egyptian, Kuwaiti)
Works in: German to Arabic, Arabic to German, English to Arabic, and 2 more.
he incinerated them into nothingness
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Note added at 22 mins (2020-12-03 15:46:05 GMT)
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https://context.reverso.net/translation/english-arabic/incin...
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Note added at 37 mins (2020-12-03 16:01:37 GMT)
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/Cut to the bone: reduce to a minimum
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Note added at 59 mins (2020-12-03 16:23:20 GMT)
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https://www.slideshare.net/mohilove/american-english-idioms-...
28 years of experience
Native in: Arabic (Variants: Iraqi, Sudanese, Egyptian, Jordanian, Yemeni, Saudi , UAE, Lebanese, Syrian, Libyan, Kuwaiti, Standard-Arabian (MSA), Palestinian)
Works in: English to Arabic, Arabic to English, Arabic, and 5 more.
he burned their card / Burn Card
so you see : كرتهما , The plural form of two مثنى
and if singular added to singular masculine ; كرته
to singular feminine ; كرتها
plural ; كرتهم
plural added to plural ; كروتهم
and so on
And I am sorry to estimate my answer as " Highest - I am sure"
because this is Arabic thing. Hope you understand it .
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Note added at 8 hrs (2020-12-03 23:43:13 GMT)
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"In card games, a burn card is a playing card dealt from the top of a deck, and discarded"
And that is what happened to the other two siblings became discarded and all attention geared to the new "Arrival" .
Egypt
legal translator
Native in: Arabic (Variants: Egyptian, Saudi )
Works in: English to Arabic, Arabic to English, Arabic, and 1 more.
lowered their position
Germany
When entering Indian market.
Native in: Urdu , Hindi , English
Works in: Arabic to English, Arabic to Urdu, English to Urdu, and 13 more.
Burned their (both) world, ruined their (both) world (globe)
لا تحمل كرة الأرض على رأسك
الأرض هي كروية الشكل، ليست مسطحة
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