重點講解：
1. look after
照料；照顧；照管；
eg. They wanted someone responsible to look after the place at night-time.
他們想要個有責任心的人夜間照管這個地方。
eg. He had to look after his invalid brother.
他不得不照看他有病的弟弟。
2. be covered with
覆蓋著；布滿；
eg. His face was covered with the stubble of several nights.
他幾天沒刮胡子，臉上胡子拉碴。
eg. Buildings old and new are thickly covered with graffiti.
新老建筑上都有密密麻麻的涂鴉。
3. in search of
尋找；尋求；
eg. They trekked from shop to shop in search of white knee-length socks.
他們拖著步子從一家商店走到另一家，尋找齊膝的白襪子。
eg. They are a lost generation in search of an identity.
他們屬于迷惘的一代，想要找尋自我。