1. 形容詞
   不安全的
   危險的
   不安穩的, 不安定的
   

   同義字詞
   dangerous,grave,grievous,hazardous,jeopardizing,menacing,parlous,perilous,risky,serious,threatening,unhealthy,venturesome
   careless,heedless,incautious,mindless,unguarded,unwary
   

例句

1. In some cases, the schools are even unsafe .
2. Android is , by its very construction, unsafe .
3. It had grown unpopular and was considered unsafe .
4. Lesbians may also occasionally have unsafe sex with men.
5. Unsafe actions can be categorised as errors or violations.
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