When someone tries to help a person who is drowning, often times that person ends up drowning himself/herself.
ーWhen someone tries to help a person who is drowning, often times that person ends up drowning himself/herself.
「溺れている人を助けようとしてよくその人自身が溺れてしまう」
to try to help で「助けようとする」
a person who is drowning で「溺れている人」
often times で「しばしば」
to end up drowning oneself で「最終的に自分自身が溺れる」
ご参考まで!