poison

solution, untie

divide; split; separate / untie; loosen; relax; remove / make clear; explain / understand; comprehend / opinion; explanation; solution

explanation; interpretation / (mathematics) solution / answer; reply (to a given question or problem)

trial / experiment

よる: to be based on, to depend on, to be due to - (at most case) / 拠る: to be based on, to depend on / 因る: to be due to / 寄る: to drop by, to stop at / 選る: to select

夜: night

四: 4, four

四日: four days, fourth day of the month / 翼果: samara; winged seed (ash, maple, etc.) / 翼下: underwing (especially of an aircraft); under one's wing; under one's control

according to