（7）动词 can see／can hear的否定形式，有时表示缺乏或丧失视力或听力的概念，即表达“盲”（blindness）或“聋”（deafness）的意思，也可以用相应的形容词blind，deaf来表示，例如：

50）a．The old woman can（still） see very well．

b．The old woman is（still） able to see very well．

c．The old woman（still） has very good eyesight．

（这位老妇人视力依然很好。）

51）a．The old man can't see at all．

b．The old man is unable to see at all．

c．The old man is blind．

（这个老人啥也看不见了。）

52）a．The man can't see very well．

b．The man is unable to see very well．

c．The man has very poor eyesight．

d．The man is almost／nearly blind．

（这个人视力很差／几乎瞎的一样。）

53）a．He is going blind．

b．He is losing his eyesight．

（他双眼快要瞎了。）

54）a．He can no longer see．

b．He is no longer able to see．

c．He has gone blind．

d．He has lost his eyesight．

（他再也看不见了。／他双目失明了。）

55）a．He is blind in one eye．

b．He is partially blind in his left／right eye．

（他一只眼／左眼／右眼失明。）

56）a．He can't hear at all／a thing．

b．He is unable to hear at all／a thing．

c．He is totally deaf．

（他完全聋了。／什么也听不见。）

57）a．She can't hear very well．

b．She is hard of hearing．

c．Her hearing isn't very well．

d．She is almost／nearly deaf．

（她听力极差。／她几乎什么也听不见。）

58）a．He is rather deaf．

b．He has poor hearing．

c．His hearing is poor．

（他听力极差。）

59）a．She is becoming deaf．

b．Her hearing is getting worse．

（她越来越聋。／她快听不见了。）

60）a．She has become deaf．

b．She has lost her hearing．

（她变聋了。／她丧失了听力。）

61）a．He is deaf of／in one ear．

b．He is partially deaf in his left／right ear．

（他一只耳朵／左耳／右耳聋。）

（8）动词see的使役性概念，即“使看见”的意思，可以用 make／let sb．see表示，也可以用 show表示，例如：

62）a．She let her husband see the letter．

b．She showed the letter to her husband．

c．She showed her husband the letter．

（她让她丈夫看这封信。）

63）a．He made me see my mistake．

b．He showed me my mistake．

（他让我看到我的错误。）

表示“使看不见”的概念，可以用hide，prevent表达，例如：

64）a．She prevented her husband（from）seeing the letter．

b．She hid the letter from her husband．

c．She put／kept the letter out of her husband's sight．

（她不让她丈夫看到这封信）。