The fourth character is the idiom of "fruit", and the four-character idiom and its explanation of the last character ending with "fruit":
Mutual causation - cause and result are related to each other , transform each other.
Blooming and bearing fruit - a metaphor for work progressing and achieving results.
Lanyin and Xuguo - Lanyin: a metaphor for a beautiful union; Xuguo: a metaphor for the ending of separation. It is a metaphor for a man and a woman who are happily married at first, but eventually divorce.
Cause and effect - causes and consequences. Refers to the entire process of something.
To kill the enemy and bring about the result - to: to make it happen; to kill the enemy boldly. Kill enemies bravely and gain military exploits.
Spend first and then bear consequences - an old metaphor of having a girl first and a boy later.
Reap the consequences - refers to doing something bad and being harmed or punished.
Reverse cause and effect - reverse the relationship between cause and effect and describe cause as effect.
Kaihua results - a metaphor for achievements and results in self-cultivation, study, work, etc.
The cause and effect - refers to the ins and outs of things.
Receiving the result of the cause - pointing out the leading cause and getting the result. The old theory of karma and retribution means that there must be corresponding consequences if there are causes and conditions in the past.
Reap the cause and sow the fruit - it means to get rid of the leading edge and get the result. The old theory of karma and retribution means that there must be corresponding consequences if there are causes and conditions in the past. Same as "receive cause and result".
The old theory of karma and retribution means that there must be corresponding consequences if there are causes and conditions in the past. Same as "receive cause and result".
Close the result of the relationship - point to the end of the relationship and get the result. The old theory of karma and retribution means that there must be corresponding consequences if there are causes and conditions in the past. Same as "receive cause and result".
Be true to your word and follow your words - you must keep your word when you say it, and you must do what you do. Same as "Be true to your word and be resolute in your deeds."
Be true to your words and deeds - you must keep your word and do what you do. Same as "Words must be true, actions must bear fruit".
Create a cause and get a result - it means that no matter what kind of cause and condition you create, you will get the corresponding result.
Cause and result - means that no matter what kind of cause and condition is created, there will be corresponding consequences.