万劫: an extremely long period of time; eternity

外語: foreign language; external language

内語: native language; internal language

孫の手: backscratcher

犬小屋: doghouse

五つ子: quintuplets

child born to a mother soon after a previous child

raw egg

(grammar) a sentence / writing, composition / a design or pattern as decoration / literature, learning, scholarship / elegance, refinement (especially of writing or wording)

portion / part / duty