1）Interest will not lie. 兴趣不会说谎。 2）In wine there is truth. 酒后吐真言。 3）In for a penny, in for a pound 一不做，二不休。 4）In doing we learn. 行而知。5）Hold fast when you have it. 紧握你手中之物。 6）He who stands alone has no power. 孤掌难鸣。