Someone (mang-) strengthens himself, especially after a sickness.
Mangyingyit ka pa tan mangabak ka.
Strengthen (yourself) so you defeat (the sickness).
Mangyingyit kaba, ta malonat ka.
Don't strengthen (yourself too much), because you will have a relapse.
pangyingyit
Something that gives strength.
Magpaisagāna ako pa so kanen nyo tan myan pangyingyit nyo.
I will also have someone prepare your food so there is (something that) gives you strength.