他说话明显结巴。He spoke with a pronounced stutter.他脸色发白，说话开始结巴。He turned white and began to stammer.他老结巴，这叫她难以忍受。He tended to stutter, which tried her patience....
情感冲突可以动摇哪怕是最牢固的人际关系的基础。Emotional conflict may shake the foundations of even the strongest relationship.黏土和砂岩都是不牢固的岩石构造。Both clay and sandstone are unstable rock formations.生活在这种全无隐私可言的环境之下，最牢固的婚姻也会破裂。Living in this goldf...
There was a glow on his face , wrinkled by a life time of suffering, that inspired one with a feeling of unshakable optimism.他那饱经风霜的多皱的脸上发着光彩, 使人产生一种乐观的感觉.She had a natural courtesy combined with an unshakable conviction...