1.comment的基本意思是“发表意见,提出看法”,一般是指有一定权威的人对某事或某人发表看法。
2.comment一般用作不及物动词,后面常接介词on或upon,表示“就(某人〔某事〕)发表看法,评论(某人等)”, comment也可用作及物动词,这时后跟that从句。
3.comment可用于被动结构。

comment on〔upon〕(v.+prep.)
就(某人某事)发表看法; 评论(某人等) express one's opinion about (sth or sb)
▲comment on sb/sth
Would you care to comment on any troublesome students in your class?你愿意谈谈你对你们班上调皮学生的看法吗?
I commented on his actions, speech without any prejudice.我评论他的行为、言论丝毫不带偏见。
The minister refused to comment publicly on these claims.部长拒绝公开评论这些要求。
▲comment on wh-clause
Would the mayor care to comment on why he voted against the new housing project?市长是否愿意谈谈为什么他投票反对新的建房规划?
The teacher often comments on〔upon〕 how different the two boys are.老师经常谈论那两个孩子的不同之处。

用作不及物动词
▲S+～(+A)
They watched and commented.他们边看边议论。
“What did you say about his work?”“I didn't comment.”“你对他的工作是怎么看的”?“我没发表意见。”
“Good enough for you,”my mother commented coldly.“这回够好了。”妈妈冷淡地说。
用作及物动词
▲S+～+n./pron.
◇ 用于be ～ed结构
The play has been favourably commented by the audience.本剧得到了观众的好评。
The discovery is hardly commented by the press.新闻界对该发现几乎未加评论。
▲S+～+that-clause
He commented that he thought it was time for us to go home.他发表意见说我们回家的时间到了。
Joan commented that it was a better play than usual, and I agreed.琼评论说,这场比赛比以往打得好,我表示赞同。

comment, animadvert, commentate, remark
参见 remark条。

［同义词］ n. criticism, remark, statement
［词源］＜拉丁语commentum(从心里出来的话)

Sorry, no comments.对不起,无可奉告!
Have you any comments on the proposal?对这个建议你有何看法?
Comment is needless.解释是不必要的。