diff --git a/docs/tieng-anh/tu-vung/thanh-ngu.md b/docs/tieng-anh/tu-vung/thanh-ngu.md
index f3b60c3..205a618 100644
--- a/docs/tieng-anh/tu-vung/thanh-ngu.md
+++ b/docs/tieng-anh/tu-vung/thanh-ngu.md
@@ -23,3 +23,5 @@ permalink: /tieng-anh/tu-vung/thanh-ngu
 * Let the chips fall where they may: To let something happen, no matter if it's good or bad
 * Once in a blue moon: rarely
 * Sleep on it: To think about something for a while before making a decision. 
+* out of the picture: no longer involed, irrelevant
+* fish out of water: a situation that you're unfamiliar with so you're uncomfortable
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diff --git a/docs/tieng-anh/tu-vung/tu-moi-thang-1-2021.md b/docs/tieng-anh/tu-vung/tu-moi-thang-1-2021.md
index 7504329..47c7755 100644
--- a/docs/tieng-anh/tu-vung/tu-moi-thang-1-2021.md
+++ b/docs/tieng-anh/tu-vung/tu-moi-thang-1-2021.md
@@ -41,6 +41,16 @@ permalink: /tieng-anh/tu-vung/thang-1-2021
 Ooops, It's getting longer ...
 ```
 
+* shed: a small building to store things / nhà kho
+* perception: nhận thức
+* obsessed: unable to stop thinking about sth / ám ảnh
+* can't get enough of something: want more of sth
+* intimate: thân mật
+* amused: showing that sth is funny / thích thú
+* congressman: nghị sĩ quốc hội
+* exacerbate: make sth bad even worse
+* all at once: suddenly
+
 ## Nguồn từ điển
 * [Cambridge Dictionary](https://dictionary.cambridge.org)
 * Google Translate
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