Young people often look ahead to the future while the elderly lookback on the past.
少年人常思将来,而老年人常思既往。

Nobody will look up to you if you look down on yourself.
如果你自己都瞧不起自己,没有人会瞧得起你。

It is reported that the police will soon look into the case of the twomissing children.
据报道,警察将很快调查这两名失踪儿童的案件。

Look out!There is danger ahead!
当心!前面危险!