せんと /(adv,exp) (1) (ksb:) without (doing)/instead of/(exp) (2) (ksb:) if (it) isn't done/if (one) doesn't do .../(exp,aux) (3) (ksb:) if not .../unless .../(exp,aux) (4) (ksb:) have to .../must .../EntL2850172/