Phrases with the structure 忽A忽B
Phrases with the structure 忽A忽B 
indicate alternating actions or situations.
"A" and "B" are replaced by monosyllabic adjectives with opposite meanings.
indicate alternating actions or situations.
"A" and "B" are replaced by monosyllabic adjectives with opposite meanings. Pay attention
Phrases with the structure 忽A忽B are set expressions that need to be memorized.
Here are some examples of these set expressions:
忽明忽暗
忽隐忽现
忽上忽下
忽左忽右
忽前忽后
忽隐忽现
忽上忽下
忽左忽右
忽前忽后 Examples
今天天气忽冷忽热，太奇怪
The weather is very unusual today. Now it's cold, before it was hot
jīntiān tiānqì hū lěng hū rè, tài qíguài
他觉得不舒服，心跳得忽快忽慢
He is not feeling well. He has an irregular heartbeat
tā juéde bù shūfu, xīn tiào de hū kuài hū màn
那个阿姨的声音忽高忽低，看起来她在批评自己的孩子
It seems that the woman is scolding her child. One moment she speaks in a loud voice and the next moment she speaks in a quiet voice
nà ge āyí de shēngyīn hū gāo hū dī, kàn qǐlái tā zài pīpíng zìjǐ de háizi
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