sixteen 四级六级

He was scarcely sixteen when he joined the army.

参军时刚刚十六岁。

She began dating boys when she was sixteen.

她16岁时就开始同男孩子约会了。

It's an imposition to ask the workers to work sixteen hours a day.

"要求工人每天工作十六小时,真是太过份了。"

When he was sixteen he joined a religious sect.

16岁的时候加入了教教派。

She was sixteen and sweetly innocent.

她当时16 岁，天真烂漫，招人喜爱。

Compulsory schooling ends at sixteen.

义务教育至16 岁为止。