criticize(v.)
批评

例句：
In some countries it is illegal to criticize the government.
在某些国家，批评政府是犯法的。

He criticized me for not finishing the work in time.
他因我没及时完成工作而批评我。

keep one's head
保持镇静

例句：
Mr. White can keep his head in any emergency; he is never likely to panic.
怀特先生在任何紧急情况下都能保持镇静，从不会惊慌。

It's a fine day today.
今天天气不错。

对话：
A: It's a fine day today.
B: It sure is. It's good for hunting.

A：今天天气不错。 
B：不错。这种天气最适合打猎了。