to behave badly or cause trouble
খারাপ আচরণ করা বা ঝামেলা করা
"The kids started to act up during the long car ride."
"দীর্ঘ গাড়ি ভ্রমণের সময় বাচ্চারা দুষ্টুমি করতে শুরু করল।"
to defend your beliefs or actions confidently
to move or progress in the direction of winning or success
to suddenly become very angry
to start working smoothly after some time or preparation
to crash violently into something
to manage stress or pain by breathing calmly