rơ
Học thuậtThân thiện
Definition
- Verb:
- To clean an infant's tongue: The primary meaning of "rơ" is the specific act of cleaning a baby's tongue and mouth using a finger wrapped with soft, clean cloth or gauze to remove milk residue.
- To have play/looseness (mechanical): In a mechanical context, "rơ" describes a part that has become loose, has excessive play, or does not fit tightly, requiring adjustment or tightening.
Usage Examples
- Verb:
- Mẹ rơ lưỡi cho em bé sau khi bú. (The mother cleans the baby's tongue after feeding.)
- Khớp nối này đã rơ, cần siết chặt lại. (This coupling has play and needs to be tightened.)
Advanced Usage
- The action of "rơ" for an infant is a traditional hygiene practice. The term is highly specific and not used for general cleaning activities.
- In technical/mechanical usage, "rơ" is a colloquial term describing undesirable looseness, often implying a need for maintenance.
Variants and Related Words
- Rơ lưỡi (v): The full phrase for the act of cleaning a baby's tongue.
- Việc rơ lưỡi giúp ngăn ngừa tưa lưỡi ở trẻ sơ sinh. (Cleaning the baby's tongue helps prevent oral thrush in newborns.)
Synonyms
- To clean (specifically a baby's mouth): to make clean.
- To have play/backlash (mechanical): to be loose, to have slack.
Notes on Usage
- The two meanings of "rơ" are distinct and belong to different registers (childcare vs. mechanics). The context makes the intended meaning clear.
- It is not a general synonym for "to clean" (which is "lau chùi" or "vệ sinh"). Its cleaning meaning is exclusively for an infant's oral hygiene.