safe-cracker ['seɪfkr'ækər]

例句:

• Just play it safe, cover your ass, keep your head down.
  要谨慎行事，保护好自己并保持低调。
  来自柯林斯例句
• Rock'n'roll has become so commercialised and safe since punk.
  摇滚乐自从朋克乐以后就已经过于商业化而缺乏新意了。
  
• Supplies to schools must be safe, he said.
  来自BBC
• On this showing, 'big journalism' is safe.
  来自BBC
• There's no known safe level of asbestos exposure.
  来自BBC
• I wanted to get her away to somewhere safe.
  我想带她逃到一个安全的地方。