1, don't give shoes: because "shoes" and "evil" are homophonic, giving shoes may mean bringing bad luck to the other party and affecting feelings.
2. Don't send the clock: Because "sending the clock" and "sending the end" are homophonic, the meaning is not good. At the same time, the clock also means the passage of time, which may be considered as a hint of emotional instability.
3. Don't send pears: Because "pears" and "separation" are homophonic, sending pears may be considered as a hint that the other party is leaving, which is not conducive to emotional development.
4. Don't give an umbrella: Because "umbrella" and "scattered" are homophonic, giving an umbrella may be considered as a hint of emotional breakdown and breakup, which is not conducive to emotional stability.
5. Don't send a mirror: Because the mirror is fragile, sending a mirror on Tanabata may be considered as a hint of emotional fragility, which is not conducive to long-term.