熙熙ToKi
不舒服 [bù shū fu] [释义] uncomfortable; unwell; indisposed; be under the weather; comfortlessness; [网络] disamenity; under the weather; be not oneself; [例句]我晚上吃完饭有时会觉得不舒服。I sometimes feel uncomfortable after eating in the evening.

陌o惜妍
如果是身体不舒服可以用:feel bad或者feel very terrible。如果是指一个环境或者是服务一类的不舒服,就用:not comfortable 或者是uncomfortable
龚家少爷
uncomfortableuneasybotheredtroublednot feeling rightnot feeling good等等都有“不太舒服”之意,要按语境翻译。