a little weak的用法和样例：
- I passed the examination by a nose.
- John was within a hairbreadth of death.
a little weak的相关资料：
aosmic a a cursory/brief/casual/furtive glance A Self-Learning Fuzzy Intelligent Controller a poisonous lead-containing white pigment. a management/design/computer consultancy a four-cycle internal-combustion engine. A Molecular-based Electrical Bistable Device a slight frown of disapproval/concentration A Future Computer--Ternary Optical Computer a socialist country/government/politician