侥幸 (jiǎo xìng) — (adjective) lucky (with implication of relying on chance rather than effort); by a fluke

Definition

Examples

• 他侥幸通过了面试，但面试官说他其实表现一般。
  Tā jiǎo xìng tōng guò le miàn shì, dàn miàn shì guān shuō tā qí shí biǎo xiàn yì bān.
  He passed the interview by a fluke, but the interviewer said his performance was actually average.
• 别总抱着侥幸的心态，还是好好准备吧。
  Bié zǒng bào zhe jiǎo xìng de xīn tài, hái shì hǎo hǎo zhǔn bèi ba.
  Don't always rely on a fluke mentality — you'd better prepare well.
• 这场火灾中，他侥幸躲过一劫。
  Zhè chǎng huǒ zāi zhōng, tā jiǎo xìng duǒ guò yì jié.
  In the fire, he narrowly escaped by a stroke of luck.