1) He is at ease about the matter.
他对这事很放心。
2) He says the matter is urgent.
他说这事很紧急。
3) Sorry about that.
这事很对不起了。
4) He is up on current events.
他对时事很熟悉。
5) He did it quite willingly.
他甘心做这事。
6) He sighed at this sad incident.
他对这惨事叹息。
参考词条