on the mark的用法和樣例：
例句
- He spoke briefly but to the point.
他說話簡短，但是說到點子上了。 - She did not say much,but what she did say was always on the mark.
她的話不多，但句句都說到點子上。 - He didn't say anything to the point.
他沒有說出什麼很中肯的東西。 - The expert made some pertinent comments on the scheme.
那專家對規劃提出了一些中肯的意見。
辭彙搭配
- on the mark 說到點子上,切題的...
