hesitate

/ˈhɛzəˌteɪt/

pause or hold back in uncertainty or unwillingness

中文释义：犹豫；迟疑

If you have any questions, please do not hesitate to ask the instructor.

如果你有任何问题，请随时向老师提问。

She hesitated before making the final decision, weighing the pros and cons.

她在做出最终决定前犹豫不决，权衡利弊。