this once

• adv. 就这么一回

this once的用法和样例：

例句

1. This once beautiful ship is in a sad condition now.
   那麽漂亮的船现在成了这种样子了。
2. This once important social group is becoming more and more marginal (to the way the country is run).
   这个一度十分重要的社会集团(对治理该国的影响)越来越无足轻重了。
3. Be pleasant to each other just this once.
   彼此要和睦些－－就只为这一次吧。
4. Just this once!
   就这一次吧！