我对此依然保留态度
I still have reservations about it.
reservation 存疑;保留意见;异议
例句:I still have reservations about her ability to do the job.
资料来源:https://dictionary.cambridge.org/dictionary/learner-english/reservation#:~:text=I%20still%20have%20reservations%20about%20her%20ability%20to%20do%20the%20job.