a snake in the grass造句

• Don't trust him, he looks honest but he's a snake in the grass .
  别相信他，他看起来老实，其实极其阴险。
• Don ' t trust him ! he is a snake in the grass
  不要相信他!他是个表面友善其实内心阴险的人。
• A snake in the grass
  潜伏的敌人或危险
• Being a snake in the grass , mr . chen has drifted apart from his friends
  （陈先生是个暗箭伤人的人，所以他的朋友疏远他。 ）
• The scheme seemed foolproof , but there was a snake in the grass that hadn ' t been reckoned with
  这个计划似乎很安全，但忽略了一项潜在的危险。