to be fawning and importunate; to behave in a shameless and ingratiating manner, often to pester someone.
他总是涎皮涎脸地央求别人帮忙，一副厚脸皮的样子。
He always fawns and importunes others for help, acting with a thick skin.
Next Idiom
to be fawning and importunate; to behave in a shameless and ingratiating manner, often to pester someone.