艰难情况
2.The Marine Corps usually have to soldier on under the hardest conditions.
3.He has never missed. He takes them for Cameroon even in the most difficult situations.
4.At the end of the war, the country had its back to the wall, but now things are improving.
7.When Mr Jones started his new business, he had tough sledding for a while but things got better.
8.But even those states in good shape now could be in for harder times.
9.Two days later, he blew away the field in the 10,000-meter cross-country run where the heat and an unusually difficult course combined to knock out 23 of 38 starters.
