e strict with 对某人很严厉,严格 be strict about 对某事很严格 be strict in 对做的某事很严格(强调是在做的)
be strict in , in 后加事物如：We should be strict in (doing) our work. 对工作我们应该严格要求. 而be strict with, with 后 加人如；His father is strict with him 他父亲对他严格要求.be strict about 后加事物 We must be strict about this problem.
我们必须严肃对待这个问题.