請け合い

(1)an unconditional commitment that something will happen or that something is true; "there is no guarantee that they are not lying"

(2)何かが起こるまたは何かが本当であるという保証

(3)a statement intended to inspire confidence; "the President's assurances were not respected"

(4)自信を鼓舞するような発言

(1)