when the situation becomes very difficult or challenging
যখন পরিস্থিতি খুব কঠিন বা চ্যালেঞ্জিং হয়ে ওঠে
"When the going gets tough, the tough get going."
"যখন অবস্থা কঠিন হয়, তখন শক্ত মানুষ এগিয়ে যায়।"
to be involved in something too difficult to handle
to reconsider a decision
to feel very happy and positive
to fail completely or embarrass oneself
to scold someone severely
to behave in a confident and assured way