Underload
n. 欠載, 輕負載\\n[經] 未滿載, 不滿負嗬, 未充分利用
??? 情景例句
Lacks maturity.
不成熟。
I've got an slight in my chest.
我的胸口有點痛。
I had to think of a way of preventing him from following me around all morning.
我得想辦法不讓他整個上午纏著我。