just barely; by a very small distance

僅僅，微小的差距

They're just about to close the gates! It looks like we made the flight by a hair.

他們馬上就要關(guān)門了!我們差一點就趕不上飛機(jī)了。

The race was neck and neck till the very end, but Sally won it by a hair.

比賽一直到最后都分不出勝負(fù)，但是最終薩莉以微弱優(yōu)勢獲勝了。

The bullet missed him by a hair 's breadth.

槍彈擦身而過，差點兒打中他了。