Correct

信意

/ xìn yì / 
Strokes

Definition

at will/arbitrarily/just as one feels like

Example

As an Adverb

wantonly; wilfully

1
Xìnyì
信意
xiūgǎi
修改

make wilful revisions

2
Xìnyì
信意
húnào
胡闹

make trouble wilfully