1.vacation n. 假期，休假

They cruised to Hong Kong on their vacation.

他们在假期里到香港去游览。

2.suppose [sə'pəʊz] conj. 假使…结果会怎样

vt. 假设；认为；让（虚拟语气）；推想

supposed to be 应该…样

A summer vacation is supposed to full of leisure time and enjoy.

暑假应该有大量的闲时间和乐趣。

3.tiring adj. 累人的；麻烦的；无聊的；引起疲劳的

Three months is a long time on any bus and some have found it more tiring than others.

三个月时间对乘坐任何巴士都是太长的时间，有些人感觉比其他人更累。