81. It's hard to say.(难说。) .
82. It's a long story.(说来话长/一言难尽。) .
83. It's a small world.(世界真小。) .
84. It's against the law!(那是违法的!) .
85. It's a good opportunity!(好机会!) .
86. It's dangerous!(危险!) .
87. May I help you?(我能帮忙吗?) .
88. No doubt about it.(毫无疑问。) .
89. That's bullshit!(废话!) .
90. Think it over.(仔细考虑一下。) .