以下是适合初学者学习的10首吉他简单歌曲：

1. "爱情转移" by 陈奕迅 (Eason Chan)
2. "小幸运" by 田馥甄 (Hebe Tien)
3. "Let it Be" by The Beatles
4. "Wonderwall" by Oasis
5. "Country Roads" by John Denver
6. "Riptide" by Vance Joy
7. "I'm Yours" by Jason Mraz
8. "Count On Me" by Bruno Mars
9. "What Makes You Beautiful" by One Direction
10. "You Are My Sunshine" (folk song)

这些歌曲都有简单的和弦和旋律，适合初学者演习和掌握根本的吉他技能。假如你想要更具挑战性的歌曲，可以选择一些复杂的和弦和旋律，例如 "Tears in Heaven" by Eric Clapton 或者 "Hotel California" by The Eagles。