HESITATE

[verb] [I] - to pause before you do or say something, often because you are uncertain or nervous about itWhen you reach the pool side, don't hesitate, just jump straight in.He hesitated before he spoke, as if he wasn't sure how his words would be received."Do you love me?" she asked. He hesitated and then said, "I'm not sure".If you need anything, don't hesitate to call me. [+ to infinitive]If I were you, I wouldn't hesitate to buy that jacket - it really suits you. [+ to infinitive]