叵测

This maneuver of his is a diabolical conspiracy.

这一手是一个居叵的大阴谋。

It is disingenuous of him to flatter me.

对我阿谀奉承，是居叵。

His ungentlemanly attempts to discredit the sale of drugs by his professional brethren would by-and-by recoil on himself.

怀叵，指责同行出售药品的作，也总有一天会得到报应，自食恶。

Don't harbo(u)r unkind thoughts.

怀叵。