每当被问及项目进度，他总是支支吾吾不肯正面回答。

He keeps ___stalling whenever asked about the project timeline.

别找借口拖延了，直接告诉我你的决定。

Stop ___stalling with excuses and just tell me your decision.

新手司机在坡道上起步时经常会让车子熄火。

Beginner drivers often end up ___stalling the car when starting on a hill.