ad.

1. 恰当地；正确地
2. 有礼貌地；体面地
3. 严格地；实际上
   That is not, properly speaking, a dictionary, but a grammar.

   严格说来；那不是一本词典，而是一本语法书。

4. 理所当然地
   An honest man is properly indignant at the offer of a bribe.

   一个诚实的人对行贿理所当然感到愤慨。

5. 【主英】【口】完全地；彻底地

adv.

1. correctly.
   ▸suitably; respectably.
2. in the strict sense.
3. informal, chiefly Brit. completely.