vn.

to torment or trouble oneself, to lead a laborious, painful life, to labour, to suffer much;
to afflict one's body, to subdue one's passions, to devote oneself to an ascetic life, to mortify, to macerate;
to strive, to endeavour, to make an effort, to exert oneself, to take pains;
to combat, to resist;
to venture, to risk, to jeopard oneself.