To strive, or to make efforts, with a twisting, or with contortions of the body.
To strive, to labour in difficulty, to fight (for or against), to contend.
A contortion of the body in an attempt to escape or to perform a difficult task.
Strife, contention, great effort.
To yield to an overpowering force or overwhelming desire.
To give up, or give in.
To die.
To overwhelm or bring down.