I.by [美 baɪ, 英 bʌɪ]介词by often appears as the second element of certain verb structures in English (abide by, get by, stand by, etc). For translations, see the relevant verb entry (abide, get, stand, etc).
I.up [美 əp, 英 ʌp]副up often appears as the second element of certain verb structures in English (back up, pick up, sit up, etc). For translations, see the relevant verb entry (back, pick, sit, etc).