Please do not be grudging with your valuable advice.
Tips
usage
吝 means unwilling to give. The common word is 吝啬 (stingy). The polite phrase 不吝赐教 ('do not grudge your instruction') is a humble way to ask for someone's advice.
The mouth radical at the base, the indexing radical. It suggests holding back, mouth shut tight, not letting things out, which matches the grudging, tight-fisted meaning.
