Correct

满心

/ mǎnxīn / 
Strokes

Definition

one's whole heart/from the bottom of one's heart

Example

As an Adverb

with one's whole heart

1
Mǎnxīn
满心
yōulǜ
忧虑

with a heart full of grief; be full of deep sorrow and anxiety

2
Mǎnxīnhuānxǐ
满心欢喜

be filled with joy; be very pleased

3
Mǎnxīn
满心
fènnù
愤怒

be in a towering rage