1.(修改,不好意思,第一次回答太快了,没看清).
in for 是惯用语,表示“无法避免,一定会”.
整句话:如果你的孩子超重,那么他们可能一生都会陷入健康和情绪问题.
2.Make sure they understand/ that you love them/ no matter what/ so that they will not feel worse than they probably already do about needing to lose weight.
无论如何也要让他们知道你是爱他们的,这样就不至于让他们感觉到比减肥之初更糟.
no matter what 不管在什么情况 so that 以使
也是分开的组词.
3.every so often 不时; 偶尔