to exert oneself
to make a push
to muster up all one's strength
to nerve oneself
to wind oneself up for an effort
to make a push
to muster up all one's strength
to nerve oneself
to wind oneself up for an effort
- rán hết sức: like old bootsto go all outto strain every nerve
- sự rán sức: heavehoveelbow-greaseexertionendeavour
- cái cứng rắn: adamant