质疑英语怎么说

"doubt" I still feel sad when people doubt my English level.

when someone questions my English ability, I will be sad.

oppugn[E5pju:n]vt.反驳; 质问反对; 抗辩攻击; 抗击

质疑的

[词典] Questionable; questioning; challengable; skeptical; doubtful

[例句]

他相信中国能够控制人口，那些敢于提出质疑的人都受到了严厉的批评。

He treated brutally those who dared to question him and believed that China should control its population.