noun:

• both labor and management; both the workers and the employers - four character idiom

noun:

• (space) filler; fill-in (in magazines, newspapers, etc.) - four character idiom

noun:

• matrimonial happiness; happy marriage - four character idiom

expression:

• each juncture; each turning point - four character idiom

noun:

• second honeymoon - four character idiom

noun:

• in calligraphy, the four important tools of brush, ink stone, ink stick, and paper - four character idiom

expression:

• bursts of exertion will fail to bear fruit if interrupted by long periods of idleness - four character idiom
• strenuous efforts, unless sustained, are to no avail (Mencius)

noun:

• increasing one's fighting spirit - four character idiom

noun / ~の noun:

• youthful ardor; rash impulse of an inexperienced youth - four character idiom ➜ 年少客気

noun / ~の noun:

• youthful ardor; rash impulse of an inexperienced youth - four character idiom ➜ 青年客気

noun:

• adulterer and adulteress; adulterous couple - four character idiom

noun:

• paying for the purchase (expense) out of one's own pocket; being responsible for the payment of one's share of the purchase price, expense, etc. - four character idiom

noun / adverb:

• a day or two - four character idiom

adjectival noun:

• very careless; quite thoughtless - four character idiom

noun:

• ideal weather for a walk - four character idiom

noun / adjectival noun:

• to the satisfaction of all parties; all sides being happy and satisfied - four character idiom

noun:

• this world (life) and the next; eternity - four character idiom

noun:

• being bunched up together; being crowded together - four character idiom

noun:

• discord and hostility; feud - four character idiom

noun / adjectival noun / ~の noun:

• exceptionally effective; overwhelming effectiveness - four character idiom

noun:

• ordinary woman secretly engaged in prostitution (Edo period) - archaism - four character idiom

noun / adjectival noun:

• one step higher; one better; cut above; one up - four character idiom ➜ 上手【うわて】

noun / adjectival noun / ~の noun:

• (of) straightforward honesty; steadfastly honest - four character idiom

noun / adverb:

• grudge of ten years' standing; harbouring a grudge for many years - four character idiom

noun:

• tokenism; appearance for appearance's sake - four character idiom