一、alone adj. &adv. 与 lonely
1. =by oneself 独自的/地；孤独的/地； 独立的/地
eg, He likes living alone.
I mended the bike alone.
2. and no other 只有。唯有 (跟在名词或代词后面)
eg, Mr Smith alone knows what happened.
You alone can help me in the work.
注意：alone 强调客观上“独自，单独一人”。
lonely adv.
1. 作表语。其意思为 “孤单”
