Meaning of dà bù liǎo:
dà bù liǎo
大不了
Adverb
at worst; if worst comes to worst
Rúguǒ shībài, dà bù liǎo zài chángshì yīcì.
如果失败，大不了再尝试一次。
If we fail, at worst we can try again.
Adjective
(usu. in the negative) serious; alarming
Zhè jiàn shì dà bù liǎo jiù shì làngfèi le yīdiǎn shíjiān.
这件事大不了就是浪费了一点时间。
This matter is not serious; it just wasted a little time.
