Correct
效忠
/ xiàozhōng /
Strokes
Definition
to vow loyalty and devotion to
Example
As a Verb
pledge loyalty to; devote oneself heart and soul to
1
Xuānshì
宣誓
xiàozhōng
效忠
make a pledge of allegiance (to)
2
Fāshì
发誓
xiàozhōng
效忠
zǔguó
祖国
pledge allegiance/loyalty to the country