rely
vi.(on)依靠，依赖;信赖，指望
I knew I could rely on David.我知道我可以信赖戴维。
straightforward
a.正直的，坦率的;易懂的，简单的
This area of law is far from straightforward(=complicated). 这方面的法律很复杂。
strain
n.拉紧[ pl.]旋律 vt.扭伤;绷紧 vi.尽力
I couldn’t look after him any more; the strain was too much for me.我不能再照看他了; 我太紧张了。
strategy
n.战略，策略
the government’s long-term economic strategy政府的长期经济战略
