1、 lonely
2、
3、 When his wife died， he was very lonely、太太死后他非常孤獨。
4、 The lonely old man worked his life away like a work horse、這個(gè)孤獨的老人像牛馬一樣辛苦地干了一輩子，一直干到死。
5、 Working as a writer can be a very lonely existence、當作家會(huì )是一種很寂莫的生涯。
6、 He felt almost intolerably lonely、他感到幾乎難以忍受的寂寞。