51. Your short skirt is inappropriate for a formal party.

你穿这条短裙去参加正式晚会不合宜。

52. Business is slow this season.

这个季节生意冷淡。

53. He's a smart businessman.

他是个精明的商人。

54. The new office building is a very solid construction.

新建的写字楼非常坚固。

55. I would as soon stay at home.

我宁愿待在家里。

56. A special visit from her daughter.

她女儿特地来探望她。

57. He specialises in chemistry.

他专门研究化学。

58. Postal workers labored overtime to speed delivery of the Christmas mail.

邮电工人加班加点以加速圣诞期间信件的发送。

59. He was square with his landlord.

他不欠房东的账。

60. It costs 10 pence to travel three stages.

10便士可以乘三站。