dubiously

The manager looked dubiously at the applicant's resume, noting the three-year gap in employment.

(Chinese) 经理怀疑地看着应聘者的简历，注意到其中有三年的就业空白期。

"I'm not sure this bridge can hold a car," the driver said dubiously while staring at the old wooden planks.

(Chinese) “我不确定这座桥能不能承受一辆汽车，”司机一边怀疑地说着，一边盯着旧木板。