thumb
US /θʌm/
UK /θʌm/

1.
ngón tay cái
the short, thick first digit of the human hand, set apart from the other four and opposable to them.
:
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He gave a thumbs-up to show approval.
Anh ấy giơ ngón tay cái lên để thể hiện sự đồng ý.
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She hurt her thumb while playing basketball.
Cô ấy bị đau ngón tay cái khi chơi bóng rổ.
1.