指程度、数量；虚指约数this way; like that; such; so; used to indicate an approximate number

• 大家都这么说。

  Everyone says so.

• 有这么回事。

  It's like this.

• 事实上根本不是这么回事。

  Actually this is not the case.

• 如果能这么办就好了。

  It's fine if it can be done like that.

• 每个队有这么四五台拖拉机就好了。

  It would be great if each team had four or five tractors.

• 没想到西瓜竟有这么大。

  I didn't realize watermelons are so big.

• 这么难的事我还没有遇到过

  I've not encountered such a difficult problem

• 天已经这么晚，可他还是来了。

  It's already so late, but he's still come.