doubtful
🇺🇸
/ˈdaʊtfl/
🇬🇧
/ˈdaʊtfl/
adjective
R
not sure or certain
She felt doubtful about the plan's success.
她对计划的成功感到不确定。
R
not likely to happen
His recovery is doubtful after the injury.
受伤后他的康复可能性不大。
R
likely to get worse
The weather looks doubtful for our picnic.
天气看起来可能会变糟，不适合我们的野餐。
R
not reliable or good quality
The doubtful product did not work as promised.
这个不可靠的产品没有像承诺的那样工作。
translation
不确定的, 不太可能发生的, 可能恶化的, 不可靠的