worry

Don’t worry:別擔心。

Don’t you worry:別擔心(帶有patronize的感覺,自以為高人一等,要很小心使用

Worry not / fear not: 別擔心(古風,我超愛!

When + ing / While + ing 意思與不同

Toma saw the cute dog while walking outside.

A shorthand of “while Toma was walking” understood as Toma saw the cute dog during the walking activity

Toma saw the cute dog when walking out of the door.

A shorthand of “when Toma walked” understood as Toma saw the cute dog at the point he had just walked out of the door.