sixteen 四级六级

Five and eleven add up to sixteen.

511是16。

She began dating boys when she was sixteen.

16岁时就开始同男孩子约会了。

He was scarcely sixteen when he joined the army.

他参军时刚刚十六岁。

When he was sixteen he joined a religious sect.

他16岁的时候入了一个宗。

She was sixteen and sweetly innocent.

当时16 岁，天真烂漫，招人喜爱。

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

"要求工人每天工作十六个小时,真是太过份了。"

Compulsory schooling ends at sixteen.

务育至16 岁为止。