
express reservations about sth:對...存有疑惑,對...持保留意見
這里的reservation的意思是:保留意見;疑惑 a feeling of doubt about a plan or an idea
I have serious reservations about his ability to do the job.
我非常懷疑他有沒有能力勝任這項(xiàng)工作。
They support the measures without reservation(= completely).
他們毫無保留地支持這些措施。