English translation of '真是'

副

1. really
   ⇒ 我真是搞不懂,他到底想干什么。 (Wǒ zhēnshi gǎo bù dǒng, tā dàodǐ xiǎng gàn shénme.) I really can't make out what on earth he's up to.
   ⇒ 真是,她把雨伞忘在火车上了。 (Zhēnshi, tā bǎ yǔsǎn wàng zài huǒchē shang le.) She's gone and left her umbrella on the train.