他当机立断下了命令。
He made a prompt decision and gave the order.
当机立断
to make prompt decisions (idiom)
HSK 3.0 · Band 7 trad. 當機立斷
Watch it being written
Every character draws itself, stroke by stroke. Then grab the brush: trace it yourself and hear the word when you finish.
当
机
立
断
Nice writing!
Build with these blocks
Chinese words snap together like bricks. Every word below shares a character with this one, so you are already halfway to knowing it.
当
机
立
See it in sentences
危险时刻谁能当机立断？
Who can decide promptly at a dangerous moment?