ungentlemanly

1.He was in disgrace after his ungentlemanly behavior.

他因为行为不检而为人所不齿。

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

他心怀叵测，指责同行出售药品的作风，也总有一天会得，自食恶果。