1.in contact with 和……联系;接触;与……联系
Have the children been in contact with the disease?
孩子们同这种疾病有过接触吗?
2.on their own 独立地(凭自己的力量)
He and a partner set up on their own and built a successful fashion company.
他和同伴自己创业,创办了一家成功的时装公司
。3.cross paths with 不期而遇
Real Madrid complete the tournament, but will not cross paths with the Italians.
皇家马德里也将参加此次比赛,但他们不会与意大利球队(尤文)相遇
。