nail down
US /neɪl daʊn/
UK /neɪl daʊn/
片語動詞
1.
2.
迫使明確, 迫使做決定
to force someone to be specific or to make a decision
範例:
•
The lawyer tried to nail down the witness on the exact time of the incident.
律師試圖迫使證人說出事件發生的準確時間。
•
It's hard to nail him down on a commitment.
很難讓他做出承諾。