First, be careful? [ xī xīn ]?
Explanation: Exhauste all your energy: study hard. Take care.
Example: I sincerely thank the teacher for his careful cultivation.
Second, teaching.
Description: Education Guidance: Guidance Office. Good teaching.
I must study hard and live up to my teacher's teaching.
Extended data
First of all, be careful of synonyms.
Be careful? [ jīng xīn ]?
Explanation: special care; Be careful: elaborate. Careful treatment. Carefully cultivate improved varieties.
Example: Road maintenance workers carefully maintain the steel artery unimpeded.
Second, synonym teaching
Explain? 【zhǐ shì】?
1, show people: indicators. demonstrative pronoun
2. The superior explained the principle and method of dealing with a problem to the subordinate or the elder explained it to the subordinate: the director instructed us to finish the task on time.
3. Words or expressions expressing subordinates or younger generations: carry out instructions from superiors.