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.
他們馬上就要關門瞭(le)!我們差一點(diǎn)就趕不上飛機瞭(le) 。
The race was neck and neck till the very end, but Sally won it by a hair.
比賽一直到最後都分不出勝負(fù)，但是最終薩莉以微弱優勢獲勝瞭(le)。
The bullet missed him by a hair 's breadth.
槍彈(dàn)擦身而過 ，差點兒打中他瞭(le)。
