迫于的英文怎么说

迫于的英文：
by force of

I've always had a loud mouth, I refuse to be silenced.
我一贯大声说出自己的想法，不会迫于压力而一言不发。

Their troops recoiled before the attack of the enemy.
他们的部队迫于敌人的进攻而后撤。

Mrs. D'urberville was not the first mother compelled to love her offspring resentfully, and to be bitterly fond
天下当母亲的，迫于无奈，气儿子又疼儿子，恨儿子又爱儿子的，可就多着呢，德伯太太并不是头一个。

by (main) force
用蛮力, 全靠气力; 以最大的力气

The force is spectacular!
这个瀑布很壮观！

resultant force
合力

The threat will force greater dispersion of their forces.
恫吓将迫使他们把兵力铺得更广。

The tension force, shear forces (including pushing force, cutting force and friction force), impulse force, hydrodynamic drag on the suction pipes, and the force resulted from the pressure difference, etc, are the main forces for detail discussion in this paper.
详细讨论了主要作用力：在波浪补偿器作用下的缆绳拉力、耙头与海床间的土壤剪切力、作用在耙吸管上的水流阻力及由于压力差在耙头处产生的推动力等。