英和和英

make a vow

upon my soul

make a vow

the words of a vow

to break a vow―break the pledge

to swear；make a vow；make a pledge

a solemn pledge

I solemnly affirm that it is so.

to absolve one from a vow

I have made a vow to avenge my father

someone who takes a solemn oath

make an oath

to keep a vow―（禁酒の誓いなら）―keep the pledge

bound by an oath

to promise formally or by an oath

to swear by Heaven

to take an oath

take a vow

the pledge of allegiance

something a person pledges to keep

to pledge one's faith―plight one's faith―give one's faith

I swear―pledge my honour―pledge my word―give my word―that it is so.

to break one's marriage-vows

to swear allegiance―vow allegiance―take the oath of allegiance―to one's sovereign

I am under a vow to abstain from wine.

take (an) oath

take [swear] an oath

to promise something to oneself

swear allegiance

by [upon] my troth